Front axle camber and toe-in change detection device and method

A technology of change detection and front axle, which is applied in measurement devices, optical devices, wheel testing, etc., can solve the problems of inaccurate toe-in detection of the front axle, inability to limit the degree of steering freedom, etc., and achieve the effect of eliminating the returning torque.

Active Publication Date: 2021-05-25
DONGFENG COMML VEHICLE CO LTD
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Problems solved by technology

[0005] In view of the defects existing in the prior art, the purpose of the present invention is to provide a front axle camber and toe-in change detection device, which can solve the problem that the degree of freedom of steering cannot be limited in the prior art, resulting in vertical loading on the front axle camber and toe-in. Inaccurate detection of toe-in impact

Method used

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  • Front axle camber and toe-in change detection device and method
  • Front axle camber and toe-in change detection device and method
  • Front axle camber and toe-in change detection device and method

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Embodiment Construction

[0041] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0042] Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0043] figure 1 It is a structural schematic diagram of the front axle camber and toe-in change detection device in the embodiment of the present invention, as figure 1 As shown, the present invention ...

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Abstract

The invention relates to the technical field of front axle detection, in particular to a front axle camber and toe-in change detection device and method. The detection device comprises a moving pair which is used for being fixedly connected with a tie rod on the front axle so as to limit the front axle to only freely move in the vertical direction; two groups of suspension loading tables which are respectively arranged below two wheels and are used for applying vertical load to the wheels and unloading lateral force and gyroscopic moment borne by the wheels; two groups of connecting hinges mounted at intervals, wherein one ends of the connecting hinges are fixedly arranged, the other ends of the connecting hinges are connected with the front axle, and the connecting hinges can rotate in the bending direction of the front axle. According to the invention, the problem that the detection of the influence of vertical loading on front axle camber and toe-in is inaccurate due to the fact that the steering freedom degree cannot be limited in the prior art can be solved.

Description

technical field [0001] The invention relates to the technical field of front axle detection, in particular to a detection device and method for front axle camber and toe-in change. Background technique [0002] The existing front axle camber and toe-in changes are carried out by the national standard QC / T494 test method. Wheel clamps are installed at the wheel end of the front axle and fixedly connected. The wheel clamps are connected to the ground through rollers, which can make the wheel clamps move freely laterally and eliminate the lateral force generated during the loading process. [0003] The left loading end is connected to the left leaf spring seat of the front axle through a hinge, and the right loading end is connected to the right leaf spring seat of the front axle through a hinge and a lateral movement pair, so that the front axle can bend freely during loading. Displacement gauges are arranged at each key point of the front axle. During the process of loading ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M17/013G01B11/275G01B11/26
CPCG01M17/013G01B11/275G01B11/26
Inventor 邵雄王海洋杨鹏刘超刘建伟王庆义杜宇翔杨前涌
Owner DONGFENG COMML VEHICLE CO LTD
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